Plastic preform quality and appearance defect visual inspection machine adopt the new KeyeTech AI algorithm technology, and utilizes high-definition imaging technology to analyze object images and obtain various parameters for real-time comparison and detection with standard products. Under the AI deep learning algorithm, the system removes unqualified products through high-speed air valves, and it can automatically counts and divides qualified plastic bottles into boxes, this AI technology defect detection system greatly improve the production efficiency and ensuring product qualification rate, this preform quality and defect inspection machine is widely used for water and beverage, cosmetic packaging industry.